{"id":1788,"date":"2018-12-10T19:44:43","date_gmt":"2018-12-10T11:44:43","guid":{"rendered":"http:\/\/nick.txtcc.com\/?p=1788"},"modified":"2021-11-17T11:27:02","modified_gmt":"2021-11-17T03:27:02","slug":"%e7%ab%af%e5%8f%a3tagged%e5%92%8cuntagged%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/nick.txtcc.com\/index.php\/linux\/1788","title":{"rendered":"\u7aef\u53e3tagged\u548cuntagged\u8be6\u89e3"},"content":{"rendered":"<p>\u60c5\u51b5\u5217\u4e3e\u00a0Switch\u6536\u53d1\u00a0Switch\u5bf9\u6807\u8bb0\u7684\u5904\u7406\u00a0remark\nAccess (\u63a5\u6536) Tagged = PVID\u00a0\u4e0d\u63a5\u6536 \u6ce8\uff1a\u90e8\u5206\u9ad8\u7aef\u4ea7\u54c1\u53ef\u80fd\u63a5\u6536\u3002\nAccess (\u63a5\u6536) Tagged =\/ PVID\u00a0\u4e0d\u63a5\u6536 \u6ce8\uff1a\u90e8\u5206\u9ad8\u7aef\u4ea7\u54c1\u53ef\u80fd\u63a5\u6536\u3002\nAccess (\u63a5\u6536) Untagged\u00a0\u63a5\u6536 \u589e\u52a0tag\uff1dPVID\u00a0\u4ecePC<\/p>\n<p>Access (\u53d1\u9001) Tagged = PVID\u00a0\u8f6c\u53d1 \u5220\u9664tag\nAccess (\u53d1\u9001) Tagged =\/ PVID\u00a0\u4e0d\u8f6c\u53d1 \u4e0d\u5904\u7406\nAccess (\u53d1\u9001) Untagged\u00a0\u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5<\/p>\n<p>Trunk (\u63a5\u6536) Tagged = PVID\u00a0\u63a5\u6536 \u4e0d\u4fee\u6539tag\nTrunk (\u63a5\u6536) Tagged =\/ PVID\u00a0\u63a5\u6536 \u4e0d\u4fee\u6539tag\nTrunk (\u63a5\u6536) Untagged\u00a0\u63a5\u6536 \u589e\u52a0tag\uff1dPVID\n<span style=\"color: #ff0000;\">Trunk (\u53d1\u9001) Tagged = PVID If Passing then\u00a0\u8f6c\u53d1 \u5220\u9664tag<\/span>\nTrunk (\u53d1\u9001) Tagged =\/ PVID If Passing then\u00a0\u8f6c\u53d1 \u4e0d\u4fee\u6539tag\nTrunk (\u53d1\u9001) Untagged\u00a0\u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5\uff08\u6ce8\uff09<\/p>\n<p>Hybrid (\u63a5\u6536) Tagged = PVID\u00a0\u63a5\u6536 \u4e0d\u4fee\u6539tag\u00a0\u5bf9\u7aef\u662ftrunk\nHybrid (\u63a5\u6536) Tagged =\/ PVID\u00a0\u63a5\u6536 \u4e0d\u4fee\u6539tag\u00a0\u5bf9\u7aef\u662ftrunk\nHybrid (\u63a5\u6536) Untagged\u00a0\u63a5\u6536 \u589e\u52a0tag\uff1dPVID\u00a0\u7c7bTrunk\nHybrid (\u53d1\u9001) Tagged = PVID Tag\u00a0\u548c\u00a0untag\u00a0\u4e2d\u5217\u51fa\u7684vlan\u53ef\u4ee5passing\u00a0\u770bTag\u9879\u548cuntag\u9879\nHybrid (\u53d1\u9001) Tagged =\/ PVID Tag\u00a0\u548c\u00a0untag\u00a0\u4e2d\u5217\u51fa\u7684vlan\u53ef\u4ee5passing\u00a0\u770bTag\u9879\u548cuntag\u9879\nHybrid (\u53d1\u9001) Untagged\u00a0\u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5 \u65e0\u6b64\u60c5\u51b5\uff08\u6ce8\uff09\n\u6211\u6765\u89e3\u91ca\u4e00\u4e0b\n\u6536\u62a5\u6587\uff1a\nAcess\u7aef\u53e31\u3001\u6536\u5230\u4e00\u4e2a\u62a5\u6587,\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1,\u5982\u679c\u6709\u5219\u76f4\u63a5\u4e22\u5f03\uff08\u7f3a\u7701\uff09\n\u53d1\u62a5\u6587\uff1a\nAcess\u7aef\u53e3\uff1a\u00a01\u3001\u5c06\u62a5\u6587\u7684VLAN\u4fe1\u606f\u5265\u79bb\uff0c\u76f4\u63a5\u53d1\u9001\u51fa\u53bb\n\u6536\u62a5\u6587\uff1a\ntrunk\u7aef\u53e3\uff1a\u00a01\u3001\u6536\u5230\u4e00\u4e2a\u62a5\u6587\uff0c\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1\uff0c\u5982\u679c\u6709\u5224\u65ad\u8be5trunk\u7aef\u53e3\u662f\u5426\u5141\u8bb8\u8be5\u00a0VLAN\u7684\u6570\u636e\u8fdb\u5165\uff1a\u5982\u679c\u53ef\u4ee5\u5219\u8f6c\u53d1\uff0c\u5426\u5219\u4e22\u5f03\n\u53d1\u62a5\u6587\uff1a\ntrunk\u7aef\u53e3\uff1a\u00a01\u3001\u6bd4\u8f83\u7aef\u53e3\u7684PVID\u548c\u5c06\u8981\u53d1\u9001\u62a5\u6587\u7684VLAN\u4fe1\u606f\uff0c\u5982\u679c\u4e24\u8005\u76f8\u7b49\u5219\u5265\u79bbVLAN\u4fe1\u606f\uff0c\u518d\u53d1\u9001\uff0c\u5982\u679c\u4e0d\u76f8\u7b49\u5219\u76f4\u63a5\u53d1\u9001\n\u6536\u62a5\u6587\uff1a\nhybrid\u7aef\u53e3\uff1a\u00a01\u3001\u6536\u5230\u4e00\u4e2a\u62a5\u6587\n2\u3001\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1\uff0c\u5982\u679c\u6709\u5219\u5224\u65ad\u8be5hybrid\u7aef\u53e3\u662f\u5426\u5141\u8bb8\u8be5VLAN\u7684\u6570\u636e\u8fdb\u5165\uff1a\u5982\u679c\u53ef\u4ee5\u5219\u8f6c\u53d1\uff0c\u5426\u5219\u4e22\u5f03\n\u53d1\u62a5\u6587\uff1a\nhybrid\u7aef\u53e3\uff1a1\u3001\u5224\u65ad\u8be5VLAN\u5728\u672c\u7aef\u53e3\u7684\u5c5e\u6027\uff08disp interface\u00a0\u5373\u53ef\u770b\u5230\u8be5\u7aef\u53e3\u5bf9\u54ea\u4e9bVLAN\u662funtag\uff0c \u54ea\u4e9bVLAN\u662ftag\uff09\n2\u3001\u5982\u679c\u662funtag\u5219\u5265\u79bbVLAN\u4fe1\u606f\uff0c\u518d\u53d1\u9001\uff0c\u5982\u679c\u662ftag\u5219\u76f4\u63a5\u53d1\u9001<\/p>\n<p>\u5148\u5448\u8bf7\u4e00\u4e0b\u4e0a\u9762\u7684\u51e0\u4e2a\u5e16\u5b50\u7684\u672f\u8bed\uff1a<\/p>\n<p>Tag\u4e3aIEEE802.1Q\u534f\u8bae\u5b9a\u4e49\u7684VLAN\u7684\u6807\u8bb0\u5728\u6570\u636e\u5e27\u4e2d\u7684\u6807\u793a\uff1b\nACCESS\u7aef\u53e3\uff0cTRUNK\u7aef\u53e3\u662f\u5382\u5bb6\u5bf9\u67d0\u4e00\u79cd\u7aef\u53e3\u7684\u53eb\u6cd5\uff0c\u5e76\u975eIEEE802.1Q\u534f\u8bae\u7684\u6807\u51c6\u5b9a\u4e49\uff1b<\/p>\n<p>\u8fd9\u4e2a\u6570\u636e\u4ea4\u6362\u7684\u8fc7\u7a0b\u6bd4\u8f83\u590d\u6742\uff0c\u5982\u679c\u60f3\u89e3\u91ca\u7684\u8bdd\uff0c\u9996\u5148\u8981\u4e86\u89e3\u4e00\u4e0b\u51e0\u4e2aIEEE802.1Q\u534f\u8bae\u7684\u5b9a\u7406\uff1b\n1\u3001\u4e0b\u9762\u662f\u5b9a\u4e49\u7684\u5404\u79cd\u7aef\u53e3\u7c7b\u578b\u5bf9\u5404\u79cd\u6570\u636e\u5e27\u7684\u5904\u7406\u65b9\u6cd5\uff1b<\/p>\n<div class=\"table-box\">\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td rowspan=\"2\" valign=\"top\"><\/td>\n<td colspan=\"2\" valign=\"top\" width=\"227\">Tagged\u6570\u636e\u5e27<\/td>\n<td colspan=\"2\" valign=\"top\" width=\"227\">Untagged\u6570\u636e\u5e27<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">in<\/td>\n<td valign=\"top\">out<\/td>\n<td valign=\"top\">in<\/td>\n<td valign=\"top\">out<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Tagged\u7aef\u53e3<\/td>\n<td valign=\"top\">\u539f\u6837\u63a5\u6536<\/td>\n<td valign=\"top\">\u539f\u6837\u53d1\u9001<\/td>\n<td valign=\"top\">\u6309\u7aef\u53e3PVID\u6253TAG\u6807\u8bb0<\/td>\n<td valign=\"top\">\u6309\u7167PVID\u6253TAG\u6807\u8bb0<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Untagged\u7aef\u53e3<\/td>\n<td valign=\"top\">\u4e22\u5f03<\/td>\n<td valign=\"top\">\u53bb\u6389TAG\u6807\u8bb0<\/td>\n<td valign=\"top\">\u6309\u7aef\u53e3PVID\u6253TAG\u6807\u8bb0<\/td>\n<td valign=\"top\">\u539f\u6837\u53d1\u9001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>2\u3001\u6240\u8c13\u7684Untagged Port\u548ctagged Port\u4e0d\u662f\u8bb2\u8ff0\u7269\u7406\u7aef\u53e3\u7684\u72b6\u6001\uff0c\u800c\u662f\u8bb2\u8bc9\u7269\u7406\u7aef\u53e3\u6240\u62e5\u6709\u7684\u67d0\u4e00\u4e2aVID\u7684\u72b6\u6001\uff0c\u6240\u4ee5\u4e00\u4e2a\u7269\u7406\u7aef\u53e3\u53ef\u4ee5\u5728\u67d0\u4e00\u4e2aVID\u4e0a\u662fUntagged Port\uff0c\u5728\u53e6\u4e00\u4e2aVID\u4e0a\u662ftagged Port\uff1b<\/p>\n<p>3\u3001\u4e00\u4e2a\u7269\u7406\u7aef\u53e3\u53ea\u80fd\u62e5\u6709\u4e00\u4e2aPVID\uff0c\u5f53\u4e00\u4e2a\u7269\u7406\u7aef\u53e3\u62e5\u6709\u4e86\u4e00\u4e2aPVID\u7684\u65f6\u5019\uff0c\u5fc5\u5b9a\u4f1a\u62e5\u6709\u548cPVID\u7684TAG\u7b49\u540c\u7684VID\uff0c\u800c\u4e14\u5728\u8fd9\u4e2aVID\u4e0a\uff0c\u8fd9\u4e2a\u7269\u7406\u7aef\u53e3\u5fc5\u5b9a\u662fUntagged Port\uff1b<\/p>\n<p>4\u3001PVID\u7684\u4f5c\u7528\u53ea\u662f\u5728\u4ea4\u6362\u673a\u4ece\u5916\u90e8\u63a5\u53d7\u5230Untagged\u00a0\u6570\u636e\u5e27\u7684\u65f6\u5019\u7ed9\u6570\u636e\u5e27\u6dfb\u52a0TAG\u6807\u8bb0\u7528\u7684\uff0c\u5728\u4ea4\u6362\u673a\u5185\u90e8\u8f6c\u53d1\u6570\u636e\u7684\u65f6\u5019PVID\u4e0d\u8d77\u4efb\u4f55\u4f5c\u7528\uff1b<\/p>\n<p>5\u3001\u62e5\u6709\u548cTAG\u6807\u8bb0\u4e00\u81f4\u7684VID\u7684\u7269\u7406\u7aef\u53e3\uff0c\u4e0d\u8bba\u662f\u5426\u5728\u8fd9\u4e2aVID\u4e0a\u662fUntagged Port\u6216\u8005tagged Port\uff0c\u90fd\u53ef\u4ee5\u63a5\u53d7\u6765\u81ea\u4ea4\u6362\u673a\u5185\u90e8\u7684\u6807\u8bb0\u4e86\u8fd9\u4e2aTAG\u6807\u8bb0\u7684tagged\u00a0\u6570\u636e\u5e27\uff1b<\/p>\n<p>6\u3001\u62e5\u6709\u548cTAG\u6807\u8bb0\u4e00\u81f4\u7684VID\u7684\u7269\u7406\u7aef\u53e3\uff0c\u53ea\u6709\u5728\u8fd9\u4e2aVID\u4e0a\u662ftagged Port\uff0c\u624d\u53ef\u4ee5\u63a5\u53d7\u6765\u81ea\u4ea4\u6362\u673a\u5916\u90e8\u7684\u6807\u8bb0\u4e86\u8fd9\u4e2aTAG\u6807\u8bb0\u7684tagged\u00a0\u6570\u636e\u5e27\uff1b<\/p>\n<p>\u4ee5\u4e0b\u662f\u795e\u5dde\u6570\u7801\u5bf9\u547d\u4ee4\u7684\u5b9a\u4e49\uff08\u5404\u4e2a\u5382\u5bb6\u5bf9\u547d\u4ee4\u7684\u5b9a\u4e49\u53ef\u80fd\u4e0d\u4e00\u5b9a\u4e00\u81f4\uff0c\u4f46\u662f\u90fd\u5fc5\u987b\u9075\u5faa\u4e0a\u9762\u7684\u5b9a\u7406\uff09\uff1a<\/p>\n<p>1\u3001Trunk\u7aef\u53e3\u5c31\u662f\u5728\u4e00\u4e2a\u7269\u7406\u7aef\u53e3\u4e0a\u589e\u52a0\u8fd9\u4e2a\u4ea4\u6362\u673a\u6240\u6709VLAN\u7684VID\u6807\u793a\uff0c\u5e76\u4e14\u9664\u4e86\u548c\u8fd9\u4e2a\u7269\u7406\u7aef\u53e3PVID\u6807\u793a\u4e00\u81f4\u7684VID\u6807\u793a\u4e3aUntagged Port\u5916\uff0c\u5728\u5176\u4ed6\u7684VID\u4e0a\u90fd\u662fTagged Port\uff1b<\/p>\n<p>2\u3001Access\u7aef\u53e3\u5c31\u662f\u6307\u62e5\u6709\u4e00\u4e2a\u548cPVID\u6807\u8bb0\u76f8\u540c\u7684VID\u7684\u7269\u7406\u7aef\u53e3\uff0c\u5728\u8fd9\u4e2aVID\u4e0a\uff0c\u9075\u5faa\u5b9a\u7406\u4e00\u5b9a\u4e3auntagged Port\uff1b<\/p>\n<p>\u5728\u4e86\u89e3\u4e86\u4ee5\u4e0a\u7684\u57fa\u7840\u7406\u8bba\u4e4b\u540e\uff0c\u6211\u4eec\u5728\u6765\u770b\u4e00\u4e0b\u697c\u4e3b\u7684\u95ee\u9898\uff1a<\/p>\n<p>\u4e00\u4e2a\u6570\u636e\u5305\u4ecePC\u673a\u53d1\u51fa\u7ecf\u8fc7ACCESS\u7aef\u53e3->TRUNK\u7aef\u53e3->TRunk->ACCESS->PC\u6570\u636e\u5305\u53d1\u751f\u4e86\u600e\u4e48\u6837\u7684\u53d8\u5316\uff1f<\/p>\n<p>\u6211\u4eec\u5148\u628a\u4e0a\u8ff0\u7684\u63cf\u8ff0\u53d8\u6362\u4e3aIEEE802.1Q\u7684\u6807\u51c6\u63cf\u8ff0\uff1a<\/p>\n<p>\u4e00\u4e2a\u6570\u636e\u5305\u4ecePC\u673a\u53d1\u51fa\u7ecf\u8fc7\uff08Untagged\u00a0\u6570\u636e\u5e27\uff09<\/p>\n<p>ACCESS\u7aef\u53e3\uff08PVID\u5b9a\u4e49\u4e3a100\uff0cVID=100=Untagged Port\uff09-><\/p>\n<p>TRUNK\u7aef\u53e3\uff08PVID\u5b9a\u4e49\u4e3a1\u3008\u51fa\u5382\u914d\u7f6e\uff0c\u6ca1\u6709\u66f4\u6539\u3009\uff0cVID=1=Untagged Port\uff0cVID=100=tagged Port\uff09-><\/p>\n<p>\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684TRunk\u7aef\u53e3\uff08PVID\u5b9a\u4e49\u4e3a1\u3008\u51fa\u5382\u914d\u7f6e\uff0c\u6ca1\u6709\u66f4\u6539\u3009\uff0cVID=1=Untagged Port\uff0cVID=100=tagged Port\uff09-><\/p>\n<p>\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684ACCESS\u7aef\u53e3\uff08PVID\u5b9a\u4e49\u4e3a100\uff0cVID=100=Untagged Port\uff09-><\/p>\n<p>PC\u6570\u636e\u5305\u53d1\u751f\u4e86\u600e\u4e48\u6837\u7684\u53d8\u5316\uff1f\uff08Untagged\u00a0\u6570\u636e\u5e27\uff09<\/p>\n<p>\u9996\u5148\u5047\u8bbe\u4e24\u53f0\u4ea4\u6362\u673a\u521a\u521a\u5f00\u673a\uff08MAC\u5730\u5740\u8868\u4e3a\u7a7a\uff09\u4ecePC\u673a\u53d1\u51fa\u7684\u6570\u636e\u5e27\u8fdb\u5165\u4ea4\u6362\u673a\u7684ACCESS\u7aef\u53e3\u4ee5\u540e\uff0c\u4f1a\u6309\u7167\u8fd9\u4e2a\u7aef\u53e3\u7684PVID\u6253100\u7684Tag\u6807\u8bb0\uff0c\u6839\u636e\u4ea4\u6362\u673a\u7684\u8f6c\u53d1\u539f\u7406\uff0c\u4ea4\u6362\u673a\u4f1a\u628a\u8fd9\u4e2a\u6570\u636e\u5e27\u8f6c\u53d1\u7ed9VID=100\u7684\u6240\u6709\u7aef\u53e3\uff08\u9664\u4e86\u8fdb\u53e3\u4ee5\u5916\uff09\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u53eb\u505aVLAN Flood\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74061\uff1b<\/p>\n<p>\u7531\u4e8eTrunk\u7aef\u53e3\u62e5\u6709VID=100\uff0c\u6240\u4ee5\u624d\u53ef\u63a5\u53d7\u8fd9\u4e2a\u6807\u8bb0Tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74065\uff1b<\/p>\n<p>\u7531\u4e8eTrunk\u7aef\u53e3\u5728VID=100\u4e0a\u4e3atagged Port\uff0c\u6240\u4ee5\u5728\u53d1\u9001\u6570\u636e\u5e27\u51fa\u4ea4\u6362\u673a\u7684\u65f6\u5019\uff0c\u4e0d\u6539\u53d8Tagged\u6570\u636e\u5e27\u7684\u7ed3\u6784\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74061\uff1b<\/p>\n<p>\u5230\u4e86\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684Trunk\u7aef\u53e3\u7684\u65f6\u5019\uff0c\u7531\u4e8eTrunk\u7aef\u53e3\u62e5\u6709VID=100\uff0c\u6240\u4ee5\u624d\u53ef\u63a5\u53d7\u8fd9\u4e2a\u6807\u8bb0Tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74066\uff1b<\/p>\n<p>\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684Trunk\u7aef\u53e3\uff0c\u63a5\u6536\u5230\u6807\u8bb0tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\uff0c\u5e76\u4e0d\u4f5c\u4efb\u4f55\u7684\u66f4\u6539\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74061\uff1b<\/p>\n<p>\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u6536\u5230\u5230\u6807\u8bb0tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\uff0c\u6839\u636e\u4ea4\u6362\u673a\u7684\u8f6c\u53d1\u539f\u7406\uff0c\u4ea4\u6362\u673a\u4f1a\u628a\u8fd9\u4e2a\u6570\u636e\u5e27\u8f6c\u53d1\u7ed9VID=100\u7684\u6240\u6709\u7aef\u53e3\uff08\u9664\u4e86\u8fdb\u53e3\u4ee5\u5916\uff09\uff1b\u53c2\u7167\u4ea4\u6362\u673a\u4ea4\u6362\u539f\u7406\uff08\u53d7\u5230\u4e00\u4e2a\u672a\u77e5\u76ee\u7684MAC\u6570\u636e\u5e27\uff09\uff1b<\/p>\n<p>\u8fd9\u6837\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684ACCESS\u7aef\u53e3\u5c31\u53ef\u4ee5\u6536\u5230\u6807\u8bb0tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74065\uff1b<\/p>\n<p>\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a\u7684ACCESS\u7aef\u53e3\u5728\u53d1\u51fa\u6807\u8bb0tag\u4e3a100\u7684tagged\u6570\u636e\u5e27\u7684\u65f6\u5019\uff0c\u4f1a\u53bb\u6389TAG\u6807\u8bb0\uff0c\u8f6c\u53d1untagged\u6570\u636e\u5e27\u7ed9PC\uff1b\u53c2\u7167\u4e0a\u9762\u7684\u5b9a\u74061\uff1b<\/p>\n<p>\u8fd9\u6837PC\u673a\u5c31\u6536\u5230\u4e86\u8fd9\u4e2a\u6570\u636e\uff1b<\/p>\n<div class=\"table-box\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>\n<p align=\"left\"><strong>\u8bfb \u6df1\u5165\u7406\u89e3\u534e\u4e3a\u4ea4\u6362\u673a\u7684hybrid\u7aef\u53e3\u6a21\u5f0f<\/strong><\/p>\n<p align=\"left\">Tag\uff0cuntag\u4ee5\u53ca\u4ea4\u6362\u673a\u7684\u5404\u79cd\u7aef\u53e3\u6a21\u5f0f\u662f\u7f51\u7edc\u5de5\u7a0b\u6280\u672f\u4eba\u5458\u8c03\u8bd5\u4ea4\u6362\u673a\u65f6\u63a5\u89e6\u6700\u591a\u7684\u6982\u5ff5\u4e86\uff0c\u7136\u800c\u7b14\u8005\u53d1\u73b0\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u6280\u672f\u4eba\u5458\u5f80\u5f80\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u4f3c\u61c2\u975e\u61c2\uff0c\u7b14\u8005\u6839\u636e\u81ea\u5df1\u7684\u7406\u89e3\u518d\u7ed3\u5408\u4e00\u4e2a\u6848\u4f8b\uff0c\u8bd5\u56fe\u5411\u5927\u5bb6\u9610\u660e\u8fd9\u4e9b\u6982\u5ff5<\/p>\nuntag\u5c31\u662f\u666e\u901a\u7684ethernet\u62a5\u6587\uff0c\u666e\u901aPC\u673a\u7684\u7f51\u5361\u662f\u53ef\u4ee5\u8bc6\u522b\u8fd9\u6837\u7684\u62a5\u6587\u8fdb\u884c\u901a\u8baf\uff1b\ntag\u62a5\u6587\u7ed3\u6784\u7684\u53d8\u5316\u662f\u5728\u6e90mac\u5730\u5740\u548c\u76ee\u7684mac\u5730\u5740\u4e4b\u540e\uff0c\u52a0\u4e0a\u4e864bytes\u7684vlan\u4fe1\u606f\uff0c\u4e5f\u5c31\u662fvlan tag\u5934\uff1b\u4e00\u822c\u6765\u8bf4\u8fd9\u6837\u7684\u62a5\u6587\u666e\u901aPC\u673a\u7684\u7f51\u5361\u662f\u4e0d\u80fd\u8bc6\u522b\u7684\n\n\u5e26802.1Q\u7684\u5e27\u662f\u5728\u6807\u51c6\u4ee5\u592a\u7f51\u5e27\u4e0a\u63d2\u5165\u4e864\u4e2a\u5b57\u8282\u7684\u6807\u8bc6\u3002\u5176\u4e2d\u5305\u542b\uff1a\n2\u4e2a\u5b57\u8282\u7684\u534f\u8bae\u6807\u8bc6\u7b26\uff08TPID)\uff0c\u5f53\u524d\u7f6e0x8100\u7684\u56fa\u5b9a\u503c\uff0c\u8868\u660e\u8be5\u5e27\u5e26\u6709802.1Q\u7684\u6807\u8bb0\u4fe1\u606f\u3002\n2\u4e2a\u5b57\u8282\u7684\u6807\u8bb0\u63a7\u5236\u4fe1\u606f\uff08TCI\uff09\uff0c\u5305\u542b\u4e86\u4e09\u4e2a\u57df\u3002\nPriority\u57df\uff0c\u53603bits\uff0c\u8868\u793a\u62a5\u6587\u7684\u4f18\u5148\u7ea7\uff0c\u53d6\u503c0\u52307\uff0c7\u4e3a\u6700\u9ad8\u4f18\u5148\u7ea7\uff0c0\u4e3a\u6700\u4f4e\u4f18\u5148\u7ea7\u3002\u8be5\u57df\u88ab802.1p\u91c7\u7528\u3002\n\u89c4\u8303\u683c\u5f0f\u6307\u793a\u7b26\uff08CFI)\u57df\uff0c\u53601bit\uff0c0\u8868\u793a\u89c4\u8303\u683c\u5f0f\uff0c\u5e94\u7528\u4e8e\u4ee5\u592a\u7f51\uff1b1\u8868\u793a\u975e\u89c4\u8303\u683c\u5f0f\uff0c\u5e94\u7528\u4e8eToken Ring\u3002\nVLAN ID\u57df\uff0c\u536012bit\uff0c\u7528\u4e8e\u6807\u793aVLAN\u7684\u5f52\u5c5e\u3002\n\n\u4ee5\u592a\u7f51\u7aef\u53e3\u7684\u4e09\u79cd\u94fe\u8def\u7c7b\u578b\uff1aAccess\u3001Hybrid\u548cTrunk\uff1a\nAccess\u7c7b\u578b\u7684\u7aef\u53e3\u53ea\u80fd\u5c5e\u4e8e1\u4e2aVLAN\uff0c\u4e00\u822c\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u7684\u7aef\u53e3\uff1b\nTrunk\u7c7b\u578b\u7684\u7aef\u53e3\u53ef\u4ee5\u5141\u8bb8\u591a\u4e2aVLAN\u901a\u8fc7\uff0c\u53ef\u4ee5\u63a5\u6536\u548c\u53d1\u9001\u591a\u4e2aVLAN\u7684\u62a5\u6587\uff0c\u4e00\u822c\u7528\u4e8e\u4ea4\u6362\u673a\u4e4b\u95f4\u8fde\u63a5\u7684\u7aef\u53e3\uff1b\nHybrid\u7c7b\u578b\u7684\u7aef\u53e3\u53ef\u4ee5\u5141\u8bb8\u591a\u4e2aVLAN\u901a\u8fc7\uff0c\u53ef\u4ee5\u63a5\u6536\u548c\u53d1\u9001\u591a\u4e2aVLAN\u7684\u62a5\u6587\uff0c\u53ef\u4ee5\u7528\u4e8e\u4ea4\u6362\u673a\u4e4b\u95f4\u8fde\u63a5\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u7528\u6237\u7684\u8ba1\u7b97\u673a\u3002\n<span style=\"color: #ff0000;\">Hybrid\u7aef\u53e3\u548cTrunk\u7aef\u53e3\u5728\u63a5\u6536\u6570\u636e\u65f6\uff0c\u5904\u7406\u65b9\u6cd5\u662f\u4e00\u6837\u7684\uff0c\u552f\u4e00\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u53d1\u9001\u6570\u636e\u65f6\uff1aHybrid\u7aef\u53e3\u53ef\u4ee5\u5141\u8bb8\u591a\u4e2aVLAN\u7684\u62a5\u6587\u53d1\u9001\u65f6\u4e0d\u6253\u6807\u7b7e\uff0c\u800cTrunk\u7aef\u53e3\u53ea\u5141\u8bb8\u7f3a\u7701VLAN\u7684\u62a5\u6587\u53d1\u9001\u65f6\u4e0d\u6253\u6807\u7b7e\u3002<\/span>\n\n\u5728\u8fd9\u91cc\u5927\u5bb6\u8981\u7406\u89e3\u7aef\u53e3\u7684\u7f3a\u7701VLAN\u8fd9\u4e2a\u6982\u5ff5\nAccess\u7aef\u53e3\u53ea\u5c5e\u4e8e1\u4e2aVLAN\uff0c\u6240\u4ee5\u5b83\u7684\u7f3a\u7701VLAN\u5c31\u662f\u5b83\u6240\u5728\u7684VLAN\uff0c\u4e0d\u7528\u8bbe\u7f6e\uff1b\nHybrid\u7aef\u53e3\u548cTrunk\u7aef\u53e3\u5c5e\u4e8e\u591a\u4e2aVLAN\uff0c\u6240\u4ee5\u9700\u8981\u8bbe\u7f6e\u7f3a\u7701VLAN ID\u3002\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cHybrid\u7aef\u53e3\u548cTrunk\u7aef\u53e3\u7684\u7f3a\u7701VLAN\u4e3aVLAN 1\n<span style=\"color: #ff0000;\">\u5982\u679c\u8bbe\u7f6e\u4e86\u7aef\u53e3\u7684\u7f3a\u7701VLAN ID\uff0c\u5f53\u7aef\u53e3\u63a5\u6536\u5230\u4e0d\u5e26VLAN Tag\u7684\u62a5\u6587\u540e\uff0c\u5219\u5c06\u62a5\u6587\u8f6c\u53d1\u5230\u5c5e\u4e8e\u7f3a\u7701VLAN\u7684\u7aef\u53e3\uff1b\u5f53\u7aef\u53e3\u53d1\u9001\u5e26\u6709VLAN Tag\u7684\u62a5\u6587\u65f6\uff0c\u5982\u679c\u8be5\u62a5\u6587\u7684VLAN ID\u4e0e\u7aef\u53e3\u7f3a\u7701\u7684VLAN ID\u76f8\u540c\uff0c\u5219\u7cfb\u7edf\u5c06\u53bb\u6389\u62a5\u6587\u7684VLAN Tag\uff0c\u7136\u540e\u518d\u53d1\u9001\u8be5\u62a5\u6587\u3002<\/span>\n\n\u6ce8\uff1a\u5bf9\u4e8e\u534e\u4e3a\u4ea4\u6362\u673a\u7f3a\u7701VLAN\u88ab\u79f0\u4e3a\u201cPvid Vlan\u201d\uff0c \u5bf9\u4e8e\u601d\u79d1\u4ea4\u6362\u673a\u7f3a\u7701VLAN\u88ab\u79f0\u4e3a\u201cNative Vlan\u201d\n\n\u4ea4\u6362\u673a\u63a5\u53e3\u51fa\u5165\u6570\u636e\u5904\u7406\u8fc7\u7a0b\uff1a\n\nAcess\u7aef\u53e3\u6536\u62a5\u6587:\n\u6536\u5230\u4e00\u4e2a\u62a5\u6587,\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1,\u5982\u679c\u6709\u5219\u76f4\u63a5\u4e22\u5f03\uff08\u7f3a\u7701\uff09\n\nAcess\u7aef\u53e3\u53d1\u62a5\u6587\uff1a\n\u5c06\u62a5\u6587\u7684VLAN\u4fe1\u606f\u5265\u79bb\uff0c\u76f4\u63a5\u53d1\u9001\u51fa\u53bb\ntrunk\u7aef\u53e3\u6536\u62a5\u6587\uff1a\n\u6536\u5230\u4e00\u4e2a\u62a5\u6587\uff0c\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1\uff0c\u5982\u679c\u6709\u5224\u65ad\u8be5trunk\u7aef\u53e3\u662f\u5426\u5141\u8bb8\u8be5\u00a0VLAN\u7684\u6570\u636e\u8fdb\u5165\uff1a\u5982\u679c\u53ef\u4ee5\u5219\u8f6c\u53d1\uff0c\u5426\u5219\u4e22\u5f03\n\ntrunk\u7aef\u53e3\u53d1\u62a5\u6587\uff1a\n\u6bd4\u8f83\u7aef\u53e3\u7684PVID\u548c\u5c06\u8981\u53d1\u9001\u62a5\u6587\u7684VLAN\u4fe1\u606f\uff0c\u5982\u679c\u4e24\u8005\u76f8\u7b49\u5219\u5265\u79bbVLAN\u4fe1\u606f\uff0c\u518d\u53d1\u9001\uff0c\u5982\u679c\u4e0d\u76f8\u7b49\u5219\u76f4\u63a5\u53d1\u9001\n\nhybrid\u7aef\u53e3\u6536\u62a5\u6587\uff1a\n\u6536\u5230\u4e00\u4e2a\u62a5\u6587,\u5224\u65ad\u662f\u5426\u6709VLAN\u4fe1\u606f\uff1a\u5982\u679c\u6ca1\u6709\u5219\u6253\u4e0a\u7aef\u53e3\u7684PVID\uff0c\u5e76\u8fdb\u884c\u4ea4\u6362\u8f6c\u53d1\uff0c\u5982\u679c\u6709\u5219\u5224\u65ad\u8be5hybrid\u7aef\u53e3\u662f\u5426\u5141\u8bb8\u8be5VLAN\u7684\u6570\u636e\u8fdb\u5165\uff1a\u5982\u679c\u53ef\u4ee5\u5219\u8f6c\u53d1\uff0c\u5426\u5219\u4e22\u5f03(\u6b64\u65f6\u7aef\u53e3\u4e0a\u7684untag\u914d\u7f6e\u662f\u4e0d\u7528\u8003\u8651\u7684\uff0cuntag\u914d\u7f6e\u53ea\u5bf9\u53d1\u9001\u62a5\u6587\u65f6\u8d77\u4f5c\u7528)\n\nhybrid\u7aef\u53e3\u53d1\u62a5\u6587\uff1a\n<span style=\"color: #ff0000;\">1\u3001\u5224\u65ad\u8be5VLAN\u5728\u672c\u7aef\u53e3\u7684\u5c5e\u6027\uff08disp interface\u00a0\u5373\u53ef\u770b\u5230\u8be5\u7aef\u53e3\u5bf9\u54ea\u4e9bVLAN\u662funtag\uff0c \u54ea\u4e9bVLAN\u662ftag\uff09<\/span>\n<span style=\"color: #ff0000;\"> 2\u3001\u5982\u679c\u662funtag\u5219\u5265\u79bbVLAN\u4fe1\u606f\uff0c\u518d\u53d1\u9001\uff0c\u5982\u679c\u662ftag\u5219\u76f4\u63a5\u53d1\u9001<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/nick.txtcc.com\/wp-content\/uploads\/remote_image\/2019\/06\/025059TgH.jpg\" alt=\"\" width=\"649\" height=\"620\">\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u60c5\u51b5\u5217\u4e3e\u00a0Switch\u6536\u53d1\u00a0Switch\u5bf9\u6807\u8bb0\u7684\u5904\u7406\u00a0remark Access (\u63a5\u6536) Tagged = PVID\u00a0\u4e0d\u63a5\u6536 \u6ce8\uff1a\u90e8\u5206\u9ad8\u7aef\u4ea7\u54c1\u53ef\u80fd\u63a5\u6536\u3002 Access (\u63a5\u6536) Tagged =\/ &#46;&#46;&#46;<\/p>","protected":false},"author":1,"featured_media":1962,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,39],"tags":[],"class_list":["post-1788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-scm"],"_links":{"self":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/comments?post=1788"}],"version-history":[{"count":6,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1788\/revisions"}],"predecessor-version":[{"id":1965,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/posts\/1788\/revisions\/1965"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/media\/1962"}],"wp:attachment":[{"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/media?parent=1788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/categories?post=1788"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nick.txtcc.com\/index.php\/wp-json\/wp\/v2\/tags?post=1788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}